Add WebKitPlatformSupport::createOffscreenGraphicsContext3D

webkit/support/webkit_support.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WEBKIT_SUPPORT_WEBKIT_SUPPORT_H_
 #define WEBKIT_SUPPORT_WEBKIT_SUPPORT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 82 matching lines @@
 
 enum GraphicsContext3DImplementation {
   IN_PROCESS,
   IN_PROCESS_COMMAND_BUFFER
 };
 // Registers which GraphicsContext3D Implementation to use.
 void SetGraphicsContext3DImplementation(GraphicsContext3DImplementation);
 GraphicsContext3DImplementation GetGraphicsContext3DImplementation();
 
 WebKit::WebGraphicsContext3D* CreateGraphicsContext3D(
-    WebKit::WebGraphicsContext3D::Attributes attributes,
+    const WebKit::WebGraphicsContext3D::Attributes& attributes,
     WebKit::WebView* web_view,
     bool direct);
 
 // ------- URL load mocking.
 // Registers the file at |file_path| to be served when |url| is requested.
 // |response| is the response provided with the contents.
 void RegisterMockedURL(const WebKit::WebURL& url,
                        const WebKit::WebURLResponse& response,
                        const WebKit::WebString& file_path);
 
@@ skipping 125 matching lines @@
 
 void EnableWebCoreLogChannels(const std::string& channels);
 
 // - Gamepad
 
 void SetGamepadData(const WebKit::WebGamepads& pads);
 
 }  // namespace webkit_support
 
 #endif  // WEBKIT_SUPPORT_WEBKIT_SUPPORT_H_